Catalogue des Brevets d'Invention
Revision as of 13:25, 3 February 2018 by Econterms (talk | contribs) (Econterms moved page CdB to Catalogue des Brevets d'Invention: stdize on longer name, with redirect from abbr'd title)
The Catalogue des Brevets d'Invention (CdB) has data on French patents from 1844 to 1883.